What is the least common denominator for 3/4 and 4/6

How is the number of vertices for a prism related to the name of the prism

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account